Outsourced Accounting Services (OAS) Senior Accountant
About The Position
Gross Mendelsohn, one of the Mid-Atlantic’s leading independent CPA and advisory firms, is seeking an experienced Senior Accountant to join our growing Outsourced Accounting Services (OAS) practice. This is a highly visible, client-facing role focused on serving a diverse portfolio of businesses and nonprofit organizations. The OAS Senior Accountant will act as a trusted financial partner, delivering timely, accurate, and decision-useful financial information while supporting clients’ day-to-day accounting operations. This role is ideal for accounting professionals who enjoy variety, ownership, and building long-term client relationships.
Requirements
- Bachelor’s degree in Accounting or related field; CPA license or progress toward CPA preferred
- 3–6+ years of progressive accounting experience, preferably in public accounting or a multi-client environment
- Experience with month-end close and financial reporting processes
- Proficiency with leading accounting platforms such as QuickBooks and/or Sage Intacct, along with working knowledge of CAS technology tools (e.g., BILL, Ramp, and other cloud-based accounting and workflow platforms)
- Strong understanding of general ledger accounting, reconciliations, and GAAP-based financial reporting
- Ability to manage month-end close and produce accurate, timely financial statements
- Proficiency in Microsoft Excel with the ability to analyze and interpret financial data
- Experience with cloud-based accounting and workflow platforms in a CAS environment
- Detail-oriented with strong problem-solving skills
- Strong verbal and written communication skills
- Professional presence with the ability to build trusted client relationships
- Ability to clearly communicate financial information to non-technical stakeholders
- Client-focused with a commitment to responsiveness and quality
- Ability to work independently and collaboratively in a team environment
- Strong organizational and time management skills with the ability to manage multiple priorities
- Demonstrated ownership, accountability, and initiative
- Ability to support and mentor junior staff
Nice To Haves
- CPA license or progress toward CPA preferred
Responsibilities
- Manage monthly, quarterly, and year-end close processes for assigned clients
- Prepare and review financial statements to ensure accuracy and timeliness
- Perform and review balance sheet reconciliations and general ledger activity
- Maintain audit-ready financial records and documentation
- Serve as a primary point of contact for assigned clients
- Communicate financial results and insights clearly
- Build strong, long-term client relationships
- Review accounting transactions and ensure proper coding
- Identify and implement process improvements
- Support onboarding of new clients
- Prepare and review 1099s, sales tax filings, and related compliance items
- Support audit engagements and collaborate with tax teams
- Train and mentor associates and interns
- Review work and provide guidance
Benefits
- Competitive compensation and comprehensive benefits package
- Free parking at both Baltimore and Fairfax locations
- Hybrid work flexibility
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Number of Employees
11-50 employees
